2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
26 #undef WIN32_LEAN_AND_MEAN
29 #include <SDL_syswm.h>
31 #include "qemu-common.h"
37 static DisplayChangeListener
*dcl
;
38 static SDL_Surface
*real_screen
;
39 static SDL_Surface
*guest_screen
= NULL
;
40 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
41 static int last_vm_running
;
42 static bool gui_saved_scaling
;
43 static int gui_saved_width
;
44 static int gui_saved_height
;
45 static int gui_saved_grab
;
46 static int gui_fullscreen
;
47 static int gui_noframe
;
48 static int gui_key_modifier_pressed
;
49 static int gui_keysym
;
50 static int gui_grab_code
= KMOD_LALT
| KMOD_LCTRL
;
51 static uint8_t modifiers_state
[256];
52 static int width
, height
;
53 static SDL_Cursor
*sdl_cursor_normal
;
54 static SDL_Cursor
*sdl_cursor_hidden
;
55 static int absolute_enabled
= 0;
56 static int guest_cursor
= 0;
57 static int guest_x
, guest_y
;
58 static SDL_Cursor
*guest_sprite
= NULL
;
59 static uint8_t allocator
;
60 static SDL_PixelFormat host_format
;
61 static int scaling_active
= 0;
62 static Notifier mouse_mode_notifier
;
64 static void sdl_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
66 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
74 if (!scaling_active
) {
75 SDL_BlitSurface(guest_screen
, &rec
, real_screen
, &rec
);
77 if (sdl_zoom_blit(guest_screen
, real_screen
, SMOOTHING_ON
, &rec
) < 0) {
78 fprintf(stderr
, "Zoom blit failed\n");
83 SDL_UpdateRect(real_screen
, rec
.x
, rec
.y
, rec
.w
, rec
.h
);
86 static void sdl_setdata(DisplayState
*ds
)
88 if (guest_screen
!= NULL
) SDL_FreeSurface(guest_screen
);
90 guest_screen
= SDL_CreateRGBSurfaceFrom(ds_get_data(ds
), ds_get_width(ds
), ds_get_height(ds
),
91 ds_get_bits_per_pixel(ds
), ds_get_linesize(ds
),
92 ds
->surface
->pf
.rmask
, ds
->surface
->pf
.gmask
,
93 ds
->surface
->pf
.bmask
, ds
->surface
->pf
.amask
);
96 static void do_sdl_resize(int new_width
, int new_height
, int bpp
)
100 // printf("resizing to %d %d\n", w, h);
102 flags
= SDL_HWSURFACE
| SDL_ASYNCBLIT
| SDL_HWACCEL
;
103 if (gui_fullscreen
) {
104 flags
|= SDL_FULLSCREEN
;
106 flags
|= SDL_RESIZABLE
;
109 flags
|= SDL_NOFRAME
;
113 real_screen
= SDL_SetVideoMode(width
, height
, bpp
, flags
);
115 fprintf(stderr
, "Could not open SDL display (%dx%dx%d): %s\n", width
,
116 height
, bpp
, SDL_GetError());
121 static void sdl_resize(DisplayState
*ds
)
125 do_sdl_resize(ds_get_width(ds
), ds_get_height(ds
), 0);
126 else if (real_screen
->format
->BitsPerPixel
!= ds_get_bits_per_pixel(ds
))
127 do_sdl_resize(real_screen
->w
, real_screen
->h
, ds_get_bits_per_pixel(ds
));
130 if (guest_screen
!= NULL
) {
131 SDL_FreeSurface(guest_screen
);
137 static PixelFormat
sdl_to_qemu_pixelformat(SDL_PixelFormat
*sdl_pf
)
141 memset(&qemu_pf
, 0x00, sizeof(PixelFormat
));
143 qemu_pf
.bits_per_pixel
= sdl_pf
->BitsPerPixel
;
144 qemu_pf
.bytes_per_pixel
= sdl_pf
->BytesPerPixel
;
145 qemu_pf
.depth
= (qemu_pf
.bits_per_pixel
) == 32 ? 24 : (qemu_pf
.bits_per_pixel
);
147 qemu_pf
.rmask
= sdl_pf
->Rmask
;
148 qemu_pf
.gmask
= sdl_pf
->Gmask
;
149 qemu_pf
.bmask
= sdl_pf
->Bmask
;
150 qemu_pf
.amask
= sdl_pf
->Amask
;
152 qemu_pf
.rshift
= sdl_pf
->Rshift
;
153 qemu_pf
.gshift
= sdl_pf
->Gshift
;
154 qemu_pf
.bshift
= sdl_pf
->Bshift
;
155 qemu_pf
.ashift
= sdl_pf
->Ashift
;
157 qemu_pf
.rbits
= 8 - sdl_pf
->Rloss
;
158 qemu_pf
.gbits
= 8 - sdl_pf
->Gloss
;
159 qemu_pf
.bbits
= 8 - sdl_pf
->Bloss
;
160 qemu_pf
.abits
= 8 - sdl_pf
->Aloss
;
162 qemu_pf
.rmax
= ((1 << qemu_pf
.rbits
) - 1);
163 qemu_pf
.gmax
= ((1 << qemu_pf
.gbits
) - 1);
164 qemu_pf
.bmax
= ((1 << qemu_pf
.bbits
) - 1);
165 qemu_pf
.amax
= ((1 << qemu_pf
.abits
) - 1);
170 static DisplaySurface
* sdl_create_displaysurface(int width
, int height
)
172 DisplaySurface
*surface
= (DisplaySurface
*) qemu_mallocz(sizeof(DisplaySurface
));
173 if (surface
== NULL
) {
174 fprintf(stderr
, "sdl_create_displaysurface: malloc failed\n");
178 surface
->width
= width
;
179 surface
->height
= height
;
181 if (scaling_active
) {
184 if (host_format
.BytesPerPixel
!= 2 && host_format
.BytesPerPixel
!= 4) {
185 linesize
= width
* 4;
186 pf
= qemu_default_pixelformat(32);
188 linesize
= width
* host_format
.BytesPerPixel
;
189 pf
= sdl_to_qemu_pixelformat(&host_format
);
191 qemu_alloc_display(surface
, width
, height
, linesize
, pf
, 0);
195 if (host_format
.BitsPerPixel
== 16)
196 do_sdl_resize(width
, height
, 16);
198 do_sdl_resize(width
, height
, 32);
200 surface
->pf
= sdl_to_qemu_pixelformat(real_screen
->format
);
201 surface
->linesize
= real_screen
->pitch
;
202 surface
->data
= real_screen
->pixels
;
204 #ifdef HOST_WORDS_BIGENDIAN
205 surface
->flags
= QEMU_REALPIXELS_FLAG
| QEMU_BIG_ENDIAN_FLAG
;
207 surface
->flags
= QEMU_REALPIXELS_FLAG
;
214 static void sdl_free_displaysurface(DisplaySurface
*surface
)
220 if (surface
->flags
& QEMU_ALLOCATED_FLAG
)
221 qemu_free(surface
->data
);
225 static DisplaySurface
* sdl_resize_displaysurface(DisplaySurface
*surface
, int width
, int height
)
227 sdl_free_displaysurface(surface
);
228 return sdl_create_displaysurface(width
, height
);
231 /* generic keyboard conversion */
233 #include "sdl_keysym.h"
235 static kbd_layout_t
*kbd_layout
= NULL
;
237 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent
*ev
)
240 /* workaround for X11+SDL bug with AltGR */
241 keysym
= ev
->keysym
.sym
;
242 if (keysym
== 0 && ev
->keysym
.scancode
== 113)
244 /* For Japanese key '\' and '|' */
245 if (keysym
== 92 && ev
->keysym
.scancode
== 133) {
248 return keysym2scancode(kbd_layout
, keysym
) & SCANCODE_KEYMASK
;
251 /* specific keyboard conversions from scan codes */
255 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
257 return ev
->keysym
.scancode
;
262 #if defined(SDL_VIDEO_DRIVER_X11)
263 #include <X11/XKBlib.h>
265 static int check_for_evdev(void)
268 XkbDescPtr desc
= NULL
;
270 char *keycodes
= NULL
;
272 SDL_VERSION(&info
.version
);
273 if (!SDL_GetWMInfo(&info
)) {
276 desc
= XkbGetKeyboard(info
.info
.x11
.display
,
277 XkbGBN_AllComponentsMask
,
279 if (desc
&& desc
->names
) {
280 keycodes
= XGetAtomName(info
.info
.x11
.display
, desc
->names
->keycodes
);
281 if (keycodes
== NULL
) {
282 fprintf(stderr
, "could not lookup keycode name\n");
283 } else if (strstart(keycodes
, "evdev", NULL
)) {
285 } else if (!strstart(keycodes
, "xfree86", NULL
)) {
286 fprintf(stderr
, "unknown keycodes `%s', please report to "
287 "qemu-devel@nongnu.org\n", keycodes
);
292 XkbFreeKeyboard(desc
, XkbGBN_AllComponentsMask
, True
);
300 static int check_for_evdev(void)
306 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
309 static int has_evdev
= -1;
312 has_evdev
= check_for_evdev();
314 keycode
= ev
->keysym
.scancode
;
318 } else if (keycode
< 97) {
319 keycode
-= 8; /* just an offset */
320 } else if (keycode
< 158) {
321 /* use conversion table */
323 keycode
= translate_evdev_keycode(keycode
- 97);
325 keycode
= translate_xfree86_keycode(keycode
- 97);
326 } else if (keycode
== 208) { /* Hiragana_Katakana */
328 } else if (keycode
== 211) { /* backslash */
338 static void reset_keys(void)
341 for(i
= 0; i
< 256; i
++) {
342 if (modifiers_state
[i
]) {
343 if (i
& SCANCODE_GREY
)
344 kbd_put_keycode(SCANCODE_EMUL0
);
345 kbd_put_keycode(i
| SCANCODE_UP
);
346 modifiers_state
[i
] = 0;
351 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
355 if (ev
->keysym
.sym
== SDLK_PAUSE
) {
358 if (ev
->type
== SDL_KEYUP
)
360 kbd_put_keycode(0xe1);
361 kbd_put_keycode(0x1d | v
);
362 kbd_put_keycode(0x45 | v
);
367 keycode
= sdl_keyevent_to_keycode_generic(ev
);
369 keycode
= sdl_keyevent_to_keycode(ev
);
374 /* sent when leaving window: reset the modifiers state */
377 case 0x2a: /* Left Shift */
378 case 0x36: /* Right Shift */
379 case 0x1d: /* Left CTRL */
380 case 0x9d: /* Right CTRL */
381 case 0x38: /* Left ALT */
382 case 0xb8: /* Right ALT */
383 if (ev
->type
== SDL_KEYUP
)
384 modifiers_state
[keycode
] = 0;
386 modifiers_state
[keycode
] = 1;
388 #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
389 #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
390 /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
391 case 0x45: /* num lock */
392 case 0x3a: /* caps lock */
393 /* SDL does not send the key up event, so we generate it */
394 kbd_put_keycode(keycode
);
395 kbd_put_keycode(keycode
| SCANCODE_UP
);
400 /* now send the key code */
401 if (keycode
& SCANCODE_GREY
)
402 kbd_put_keycode(SCANCODE_EMUL0
);
403 if (ev
->type
== SDL_KEYUP
)
404 kbd_put_keycode(keycode
| SCANCODE_UP
);
406 kbd_put_keycode(keycode
& SCANCODE_KEYCODEMASK
);
409 static void sdl_update_caption(void)
411 char win_title
[1024];
412 char icon_title
[1024];
413 const char *status
= "";
416 status
= " [Stopped]";
419 status
= " - Press Ctrl-Alt-Shift to exit mouse grab";
421 status
= " - Press Right-Ctrl to exit mouse grab";
423 status
= " - Press Ctrl-Alt to exit mouse grab";
427 snprintf(win_title
, sizeof(win_title
), "QEMU (%s)%s", qemu_name
, status
);
428 snprintf(icon_title
, sizeof(icon_title
), "QEMU (%s)", qemu_name
);
430 snprintf(win_title
, sizeof(win_title
), "QEMU%s", status
);
431 snprintf(icon_title
, sizeof(icon_title
), "QEMU");
434 SDL_WM_SetCaption(win_title
, icon_title
);
437 static void sdl_hide_cursor(void)
442 if (kbd_mouse_is_absolute()) {
444 SDL_SetCursor(sdl_cursor_hidden
);
450 static void sdl_show_cursor(void)
455 if (!kbd_mouse_is_absolute() || !is_graphic_console()) {
458 (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
))
459 SDL_SetCursor(guest_sprite
);
461 SDL_SetCursor(sdl_cursor_normal
);
465 static void sdl_grab_start(void)
468 SDL_SetCursor(guest_sprite
);
469 if (!kbd_mouse_is_absolute() && !absolute_enabled
)
470 SDL_WarpMouse(guest_x
, guest_y
);
474 if (SDL_WM_GrabInput(SDL_GRAB_ON
) == SDL_GRAB_ON
) {
476 sdl_update_caption();
481 static void sdl_grab_end(void)
483 SDL_WM_GrabInput(SDL_GRAB_OFF
);
486 sdl_update_caption();
489 static void sdl_mouse_mode_change(Notifier
*notify
, void *data
)
491 if (kbd_mouse_is_absolute()) {
492 if (!absolute_enabled
) {
494 absolute_enabled
= 1;
496 } else if (absolute_enabled
) {
498 absolute_enabled
= 0;
502 static void sdl_send_mouse_event(int dx
, int dy
, int dz
, int x
, int y
, int state
)
506 if (state
& SDL_BUTTON(SDL_BUTTON_LEFT
))
507 buttons
|= MOUSE_EVENT_LBUTTON
;
508 if (state
& SDL_BUTTON(SDL_BUTTON_RIGHT
))
509 buttons
|= MOUSE_EVENT_RBUTTON
;
510 if (state
& SDL_BUTTON(SDL_BUTTON_MIDDLE
))
511 buttons
|= MOUSE_EVENT_MBUTTON
;
513 if (kbd_mouse_is_absolute()) {
514 dx
= x
* 0x7FFF / (width
- 1);
515 dy
= y
* 0x7FFF / (height
- 1);
516 } else if (guest_cursor
) {
525 kbd_mouse_event(dx
, dy
, dz
, buttons
);
528 static void sdl_scale(DisplayState
*ds
, int width
, int height
)
530 int bpp
= real_screen
->format
->BitsPerPixel
;
532 if (bpp
!= 16 && bpp
!= 32) {
535 do_sdl_resize(width
, height
, bpp
);
537 if (!is_buffer_shared(ds
->surface
)) {
538 ds
->surface
= qemu_resize_displaysurface(ds
, ds_get_width(ds
),
544 static void toggle_full_screen(DisplayState
*ds
)
546 gui_fullscreen
= !gui_fullscreen
;
547 if (gui_fullscreen
) {
548 gui_saved_width
= real_screen
->w
;
549 gui_saved_height
= real_screen
->h
;
550 gui_saved_scaling
= scaling_active
;
552 do_sdl_resize(ds_get_width(ds
), ds_get_height(ds
),
553 ds_get_bits_per_pixel(ds
));
556 gui_saved_grab
= gui_grab
;
559 if (gui_saved_scaling
) {
560 sdl_scale(ds
, gui_saved_width
, gui_saved_height
);
562 do_sdl_resize(ds_get_width(ds
), ds_get_height(ds
), 0);
564 if (!gui_saved_grab
|| !is_graphic_console()) {
572 static void absolute_mouse_grab(void)
574 int mouse_x
, mouse_y
;
576 if (SDL_GetAppState() & SDL_APPINPUTFOCUS
) {
577 SDL_GetMouseState(&mouse_x
, &mouse_y
);
578 if (mouse_x
> 0 && mouse_x
< real_screen
->w
- 1 &&
579 mouse_y
> 0 && mouse_y
< real_screen
->h
- 1) {
585 static void sdl_refresh(DisplayState
*ds
)
587 SDL_Event ev1
, *ev
= &ev1
;
589 int buttonstate
= SDL_GetMouseState(NULL
, NULL
);
591 if (last_vm_running
!= vm_running
) {
592 last_vm_running
= vm_running
;
593 sdl_update_caption();
597 SDL_EnableUNICODE(!is_graphic_console());
599 while (SDL_PollEvent(ev
)) {
601 case SDL_VIDEOEXPOSE
:
602 sdl_update(ds
, 0, 0, real_screen
->w
, real_screen
->h
);
606 if (ev
->type
== SDL_KEYDOWN
) {
608 mod_state
= (SDL_GetModState() & (gui_grab_code
| KMOD_LSHIFT
)) ==
609 (gui_grab_code
| KMOD_LSHIFT
);
610 } else if (ctrl_grab
) {
611 mod_state
= (SDL_GetModState() & KMOD_RCTRL
) == KMOD_RCTRL
;
613 mod_state
= (SDL_GetModState() & gui_grab_code
) ==
616 gui_key_modifier_pressed
= mod_state
;
617 if (gui_key_modifier_pressed
) {
619 keycode
= sdl_keyevent_to_keycode(&ev
->key
);
621 case 0x21: /* 'f' key on US keyboard */
622 toggle_full_screen(ds
);
625 case 0x16: /* 'u' key on US keyboard */
626 if (scaling_active
) {
634 case 0x02 ... 0x0a: /* '1' to '9' keys */
635 /* Reset the modifiers sent to the current console */
637 console_select(keycode
- 0x02);
639 if (gui_fullscreen
) {
642 if (!is_graphic_console()) {
643 /* release grab if going to a text console */
646 } else if (absolute_enabled
) {
649 } else if (absolute_enabled
) {
651 absolute_mouse_grab();
656 if (!gui_fullscreen
) {
657 int width
= MAX(real_screen
->w
+
658 (keycode
== 0x1b ? 50 : -50), 160);
659 int height
= (ds_get_height(ds
) * width
) /
662 sdl_scale(ds
, width
, height
);
670 } else if (!is_graphic_console()) {
673 if (ev
->key
.keysym
.mod
& (KMOD_LCTRL
| KMOD_RCTRL
)) {
674 switch(ev
->key
.keysym
.sym
) {
675 case SDLK_UP
: keysym
= QEMU_KEY_CTRL_UP
; break;
676 case SDLK_DOWN
: keysym
= QEMU_KEY_CTRL_DOWN
; break;
677 case SDLK_LEFT
: keysym
= QEMU_KEY_CTRL_LEFT
; break;
678 case SDLK_RIGHT
: keysym
= QEMU_KEY_CTRL_RIGHT
; break;
679 case SDLK_HOME
: keysym
= QEMU_KEY_CTRL_HOME
; break;
680 case SDLK_END
: keysym
= QEMU_KEY_CTRL_END
; break;
681 case SDLK_PAGEUP
: keysym
= QEMU_KEY_CTRL_PAGEUP
; break;
682 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_CTRL_PAGEDOWN
; break;
686 switch(ev
->key
.keysym
.sym
) {
687 case SDLK_UP
: keysym
= QEMU_KEY_UP
; break;
688 case SDLK_DOWN
: keysym
= QEMU_KEY_DOWN
; break;
689 case SDLK_LEFT
: keysym
= QEMU_KEY_LEFT
; break;
690 case SDLK_RIGHT
: keysym
= QEMU_KEY_RIGHT
; break;
691 case SDLK_HOME
: keysym
= QEMU_KEY_HOME
; break;
692 case SDLK_END
: keysym
= QEMU_KEY_END
; break;
693 case SDLK_PAGEUP
: keysym
= QEMU_KEY_PAGEUP
; break;
694 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_PAGEDOWN
; break;
695 case SDLK_BACKSPACE
: keysym
= QEMU_KEY_BACKSPACE
; break;
696 case SDLK_DELETE
: keysym
= QEMU_KEY_DELETE
; break;
701 kbd_put_keysym(keysym
);
702 } else if (ev
->key
.keysym
.unicode
!= 0) {
703 kbd_put_keysym(ev
->key
.keysym
.unicode
);
706 } else if (ev
->type
== SDL_KEYUP
) {
708 mod_state
= (ev
->key
.keysym
.mod
& gui_grab_code
);
710 mod_state
= (ev
->key
.keysym
.mod
&
711 (gui_grab_code
| KMOD_LSHIFT
));
714 if (gui_key_modifier_pressed
) {
715 gui_key_modifier_pressed
= 0;
716 if (gui_keysym
== 0) {
717 /* exit/enter grab if pressing Ctrl-Alt */
719 /* if the application is not active,
720 do not try to enter grab state. It
722 'SDL_WM_GrabInput(SDL_GRAB_ON)'
723 from blocking all the application
725 if (is_graphic_console() &&
726 SDL_GetAppState() & SDL_APPACTIVE
) {
729 } else if (!gui_fullscreen
) {
732 /* SDL does not send back all the
733 modifiers key, so we must correct it */
741 if (is_graphic_console() && !gui_keysym
)
742 sdl_process_key(&ev
->key
);
747 qemu_system_shutdown_request();
750 case SDL_MOUSEMOTION
:
751 if (is_graphic_console() &&
752 (kbd_mouse_is_absolute() || absolute_enabled
)) {
753 int max_x
= real_screen
->w
- 1;
754 int max_y
= real_screen
->h
- 1;
757 (ev
->motion
.x
== 0 || ev
->motion
.y
== 0 ||
758 ev
->motion
.x
== max_x
|| ev
->motion
.y
== max_y
)) {
761 if (!gui_grab
&& SDL_GetAppState() & SDL_APPINPUTFOCUS
&&
762 (ev
->motion
.x
> 0 && ev
->motion
.x
< max_x
&&
763 ev
->motion
.y
> 0 && ev
->motion
.y
< max_y
)) {
767 if (gui_grab
|| kbd_mouse_is_absolute() ||
769 sdl_send_mouse_event(ev
->motion
.xrel
, ev
->motion
.yrel
, 0,
770 ev
->motion
.x
, ev
->motion
.y
, ev
->motion
.state
);
773 case SDL_MOUSEBUTTONDOWN
:
774 case SDL_MOUSEBUTTONUP
:
775 if (is_graphic_console()) {
776 SDL_MouseButtonEvent
*bev
= &ev
->button
;
777 if (!gui_grab
&& !kbd_mouse_is_absolute()) {
778 if (ev
->type
== SDL_MOUSEBUTTONDOWN
&&
779 (bev
->button
== SDL_BUTTON_LEFT
)) {
780 /* start grabbing all events */
786 if (ev
->type
== SDL_MOUSEBUTTONDOWN
) {
787 buttonstate
|= SDL_BUTTON(bev
->button
);
789 buttonstate
&= ~SDL_BUTTON(bev
->button
);
791 #ifdef SDL_BUTTON_WHEELUP
792 if (bev
->button
== SDL_BUTTON_WHEELUP
&& ev
->type
== SDL_MOUSEBUTTONDOWN
) {
794 } else if (bev
->button
== SDL_BUTTON_WHEELDOWN
&& ev
->type
== SDL_MOUSEBUTTONDOWN
) {
798 sdl_send_mouse_event(0, 0, dz
, bev
->x
, bev
->y
, buttonstate
);
802 case SDL_ACTIVEEVENT
:
803 if (gui_grab
&& ev
->active
.state
== SDL_APPINPUTFOCUS
&&
804 !ev
->active
.gain
&& !gui_fullscreen
) {
807 if (!gui_grab
&& ev
->active
.gain
&& is_graphic_console() &&
808 (kbd_mouse_is_absolute() || absolute_enabled
)) {
809 absolute_mouse_grab();
811 if (ev
->active
.state
& SDL_APPACTIVE
) {
812 if (ev
->active
.gain
) {
813 /* Back to default interval */
814 dcl
->gui_timer_interval
= 0;
817 /* Sleeping interval */
818 dcl
->gui_timer_interval
= 500;
823 case SDL_VIDEORESIZE
:
824 sdl_scale(ds
, ev
->resize
.w
, ev
->resize
.h
);
834 static void sdl_fill(DisplayState
*ds
, int x
, int y
, int w
, int h
, uint32_t c
)
836 SDL_Rect dst
= { x
, y
, w
, h
};
837 SDL_FillRect(real_screen
, &dst
, c
);
840 static void sdl_mouse_warp(int x
, int y
, int on
)
845 if (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
) {
846 SDL_SetCursor(guest_sprite
);
847 if (!kbd_mouse_is_absolute() && !absolute_enabled
)
853 guest_x
= x
, guest_y
= y
;
856 static void sdl_mouse_define(QEMUCursor
*c
)
858 uint8_t *image
, *mask
;
862 SDL_FreeCursor(guest_sprite
);
864 bpl
= cursor_get_mono_bpl(c
);
865 image
= qemu_mallocz(bpl
* c
->height
);
866 mask
= qemu_mallocz(bpl
* c
->height
);
867 cursor_get_mono_image(c
, 0x000000, image
);
868 cursor_get_mono_mask(c
, 0, mask
);
869 guest_sprite
= SDL_CreateCursor(image
, mask
, c
->width
, c
->height
,
875 (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
))
876 SDL_SetCursor(guest_sprite
);
879 static void sdl_cleanup(void)
882 SDL_FreeCursor(guest_sprite
);
883 SDL_QuitSubSystem(SDL_INIT_VIDEO
);
886 void sdl_display_init(DisplayState
*ds
, int full_screen
, int no_frame
)
890 DisplayAllocator
*da
;
891 const SDL_VideoInfo
*vi
;
894 #if defined(__APPLE__)
895 /* always use generic keymaps */
896 if (!keyboard_layout
)
897 keyboard_layout
= "en-us";
899 if(keyboard_layout
) {
900 kbd_layout
= init_keyboard_layout(name2keysym
, keyboard_layout
);
909 setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
912 /* on Linux, SDL may use fbcon|directfb|svgalib when run without
913 * accessible $DISPLAY to open X11 window. This is often the case
914 * when qemu is run using sudo. But in this case, and when actually
915 * run in X11 environment, SDL fights with X11 for the video card,
916 * making current display unavailable, often until reboot.
917 * So make x11 the default SDL video driver if this variable is unset.
918 * This is a bit hackish but saves us from bigger problem.
919 * Maybe it's a good idea to fix this in SDL instead.
921 setenv("SDL_VIDEODRIVER", "x11", 0);
924 /* Enable normal up/down events for Caps-Lock and Num-Lock keys.
925 * This requires SDL >= 1.2.14. */
926 setenv("SDL_DISABLE_LOCK_KEYS", "1", 1);
928 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
929 if (SDL_Init (flags
)) {
930 fprintf(stderr
, "Could not initialize SDL(%s) - exiting\n",
934 vi
= SDL_GetVideoInfo();
935 host_format
= *(vi
->vfmt
);
937 /* Load a 32x32x4 image. White pixels are transparent. */
938 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, "qemu-icon.bmp");
940 SDL_Surface
*image
= SDL_LoadBMP(filename
);
942 uint32_t colorkey
= SDL_MapRGB(image
->format
, 255, 255, 255);
943 SDL_SetColorKey(image
, SDL_SRCCOLORKEY
, colorkey
);
944 SDL_WM_SetIcon(image
, NULL
);
954 dcl
= qemu_mallocz(sizeof(DisplayChangeListener
));
955 dcl
->dpy_update
= sdl_update
;
956 dcl
->dpy_resize
= sdl_resize
;
957 dcl
->dpy_refresh
= sdl_refresh
;
958 dcl
->dpy_setdata
= sdl_setdata
;
959 dcl
->dpy_fill
= sdl_fill
;
960 ds
->mouse_set
= sdl_mouse_warp
;
961 ds
->cursor_define
= sdl_mouse_define
;
962 register_displaychangelistener(ds
, dcl
);
964 da
= qemu_mallocz(sizeof(DisplayAllocator
));
965 da
->create_displaysurface
= sdl_create_displaysurface
;
966 da
->resize_displaysurface
= sdl_resize_displaysurface
;
967 da
->free_displaysurface
= sdl_free_displaysurface
;
968 if (register_displayallocator(ds
, da
) == da
) {
972 mouse_mode_notifier
.notify
= sdl_mouse_mode_change
;
973 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier
);
975 sdl_update_caption();
976 SDL_EnableKeyRepeat(250, 50);
979 sdl_cursor_hidden
= SDL_CreateCursor(&data
, &data
, 8, 1, 0, 0);
980 sdl_cursor_normal
= SDL_GetCursor();